Use these options to specify how the date range returns results. "Exact" means that the start and end dates of descriptions returned must fall entirely within the date range entered. "Overlapping" means that any description whose start or end dates touch or overlap the target date range will be returned.

Ruth Emerson Wortis was a pioneer of modern dance, as well as a prolific choreographer, performer and dance educator. She was one of the founding members of the Judson Dance Group, which itself is credited for the rise of the Postmodern dance mov...